27570040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{16811}}^1$

素因数の和:16863

約数の個数: 32

約数和(自身を含む): 63549360

約数和(自身を除く): 35979320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 16811, 33622, 67244, 84055, 134488, 168110, 336220, 672440, 689251, 1378502, 2757004, 3446255, 5514008, 6892510, 13785020, 27570040]

約数ペア:

[(1, 27570040), (2, 13785020), (4, 6892510), (5, 5514008), (8, 3446255), (10, 2757004), (20, 1378502), (40, 689251), (41, 672440), (82, 336220), (164, 168110), (205, 134488), (328, 84055), (410, 67244), (820, 33622), (1640, 16811)]